Remove CPDF_Page::GetPDFDocument().

Inline it into its only (private) caller.

Change-Id: Ib02de5c837eb00d76029e50911d55d03435e8c1f
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/96313
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/core/fpdfapi/page/cpdf_page.cpp b/core/fpdfapi/page/cpdf_page.cpp
index ac5606d..934c8cd 100644
--- a/core/fpdfapi/page/cpdf_page.cpp
+++ b/core/fpdfapi/page/cpdf_page.cpp
@@ -48,7 +48,7 @@
 }
 
 CPDF_Document* CPDF_Page::GetDocument() const {
-  return GetPDFDocument();
+  return m_pPDFDocument.Get();
 }
 
 float CPDF_Page::GetPageWidth() const {
diff --git a/core/fpdfapi/page/cpdf_page.h b/core/fpdfapi/page/cpdf_page.h
index 2b6514e..447ec68 100644
--- a/core/fpdfapi/page/cpdf_page.h
+++ b/core/fpdfapi/page/cpdf_page.h
@@ -92,7 +92,6 @@
   void SetRenderContext(std::unique_ptr<RenderContextIface> pContext);
   void ClearRenderContext();
 
-  CPDF_Document* GetPDFDocument() const { return m_pPDFDocument.Get(); }
   View* GetView() const { return m_pView.Get(); }
   void SetView(View* pView) { m_pView.Reset(pView); }
   void UpdateDimensions();